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shared: add nm_pstr_hash() and nm_pstr_equal()

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This commit is contained in:
Thomas Haller 2018-04-05 10:21:56 +02:00
parent 67828918c9
commit 2cda3770a3
2 changed files with 35 additions and 0 deletions
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24
shared/nm-utils/nm-hash-utils.c
View file

@ -159,3 +159,27 @@ nm_direct_hash (gconstpointer ptr)
{
return nm_hash_ptr (ptr);
}
/*****************************************************************************/
guint
nm_pstr_hash (gconstpointer p)
{
const char *const*s = p;
if (!s)
return nm_hash_static (101061439u);
return nm_hash_str (*s);
}
gboolean
nm_pstr_equal (gconstpointer a, gconstpointer b)
{
const char *const*s1 = a;
const char *const*s2 = b;
return (s1 == s2)
|| ( s1
&& s2
&& nm_streq0 (*s1, *s2));
}

11
shared/nm-utils/nm-hash-utils.h
View file

@ -209,4 +209,15 @@ guint nm_direct_hash (gconstpointer str);
guint nm_hash_str (const char *str);
guint nm_str_hash (gconstpointer str);
/*****************************************************************************/
/* nm_pstr_*() are for hashing keys that are pointers to strings,
* that is, "const char *const*" types, using strcmp(). */
guint nm_pstr_hash (gconstpointer p);
gboolean nm_pstr_equal (gconstpointer a, gconstpointer b);
/*****************************************************************************/
#endif /* __NM_HASH_UTILS_H__ */